The encyclopedia · Engineering & Operations · Operational decision · 1980–1982
Standard Brands ran warehouse inventory math on $9,000 of calculators
Planters warehouse staff used programmable calculators with magnetic cards for inventory math, generating $10M cash flow and $7.6M profit in two years.
Standard Brands
The solution
Planters Peanuts warehouses managed inventory with rules that ignored demand variability, and the fix via the corporate management-information system would take years and a large budget.
Standard Brands instead equipped warehouses with programmable hand-held calculators; each item's data lived on a magnetic-stripe card, and staff computed safety stocks, reorder points and order quantities on the floor, even running what-if simulations.
Equipment cost about $9,000. The system generated roughly $10 million in favorable cash flow up front and enabled $7.6 million of profit impact in the first two years, continuing at about $3.8 million a year.
Why it worked
- The math moved to the decision point, so it actually got used.
- Magnetic cards made per-item data portable without a terminal.
- What-if simulation turned managers into active modelers.
- Tiny cost meant an extraordinary benefit-to-cost ratio.
- The two-year benefit would have been lost entirely waiting for MIS.
What can be applied
If the system of record will take years, put a cheap tool in the hands that decide today: local computation beats an expensive, delayed one.
Aftermath
Management embraced hands-on modeling — calculators appeared on airplanes and over lunch tables — and the case was published in Interfaces (1981) as a lesson in delivering decision science without a big IT program.
Sources
- Scientific Management of Inventory on a Hand-Held Calculator
- Scientific Management of Inventory on a Hand-Held Calculator
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